
Early inhaler for ether anaesthesia
1847-1848
1847-1848
circa 1832
1865-1866
1870
1862
1858
1845-1855
1866
1838
1801-1840 (original); 1901 (model)
1845-1855
circa 1846
1853-1857
1829
1870s
1831-1870
1860
1836
1845
2000-100 BCE
1851
1835-1870
1850-1859
1853
1865
1867-1868
1849
1855
1846-1859
1854
1840
1842
1853
1850
1837
1837
1852
1870
1831-1870
1831-1870
1838-1870
1833
1834-1844
1837
1866-1870
circa 1854
1850
circa 1854
circa 1840
1850-1860